Any substance, liquid or solid, that has the property of curing or mitigating disease in animals, or that is used for that purpose. Simples, plants and minerals furnish most of our medicines. Even poisons used with judgment and in moderation, are safe and efficacious medicines. Medicines are internal or external, simple or compound.

The art of preventing, curing or alleviating the diseases of the human body. Hence we say, the study of medicine, or a student of medicine.

In the French sense, a physician.

To affect or operate on as medicine.